384475 has 24 divisors (see below), whose sum is σ = 590240. Its totient is φ = 243360.

The previous prime is 384473. The next prime is 384479. The reversal of 384475 is 574483.

384475 = 28² + 29² + ... + 105².

It is not a de Polignac number, because 384475 - 2¹ = 384473 is a prime.

Its product of digits (13440) is a multiple of the sum of its prime factors (56).

It is not an unprimeable number, because it can be changed into a prime (384473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29569 + ... + 29581.

2³⁸⁴⁴⁷⁵ is an apocalyptic number.

384475 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

384475 is a deficient number, since it is larger than the sum of its proper divisors (205765).

384475 is an equidigital number, since it uses as much as digits as its factorization.

384475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 25 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 384475 is about 620.0604809210. The cubic root of 384475 is about 72.7147812353.

The spelling of 384475 in words is "three hundred eighty-four thousand, four hundred seventy-five".